Benson

Occurrence in Grant county in Oregon, United States with commodity Chromium
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Materials information
  8. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Mining district
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10033012
MRDS ID M014870
Record type Site
Current site name Benson
Related records 10201688

Geographic coordinates

Geographic coordinates: -119.02495, 44.46485 (WGS84)

Site location context

Political divisions (FIPS codes)

Grant(county)

Oregon(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Mount Vernon(quadrangle 1:24,000 scale)

Dayville(quadrangle 1:100,000 scale)

Canyon City(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper John Day(hydrologic unit)

John Day(hydrologic accounting unit)

Middle Columbia(hydrologic subregion)

Pacific Northwest(hydrologic region)

Geographic areas

Country State County
United States Oregon Grant

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 013S 031E 06 Oregon

Comments on the location information

  • W. OF DIVIDE AT HEAD OF SMALL CREEK RUNNING W INTO BEACH CREEK.

Commodities

Commodity Importance
Chromium Critical Primary

Materials information

Materials Type of material
Chromite Ore

Analytical data

Result ASSAYS 30 - 36 % CHROMIC OXIDE

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Serpentinite

Nearby scientific data

(1) -119.02495, 44.46485

Economic information

Ore body information

  • General form 2 SMALL KIDNEYS, ONE ELONGATED IRREGULAR BAND
    Strike N 75 DEG W
    Dip 45 DEG N
    Length 30.48M

Comments on the geologic information

  • SERPENTINE IS SHEARED AND SLICKENSIDED: A FEW LARGE BOULDERS ARE PRESENT. ORE, LIKE COUNTRY ROCK, IS MUCH BROKEN AND CUT BY CALCITE AND MAGNESITE VEINS. ; GEOL.DESC: SERPENTINE IS SHEARED AND SLICKENSIDED; A FEW LARGE BOULDERS ARE PRESENT. ORE, LIKE COUNTRY ROCK, IS MUCH BROKEN AND SHEARED AND CUT BY CALCITE AND MAGNETITE VEINS.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Mining district

District name Canyon (?)

Comments on the production information

  • NO PRODUCTION INFORMATION

Comments on the reserve resource information

  • CHROMITE BODIES NOW APPEAR TO BE EXHAUSTED, AS NO ORE APPEARS IN PLACE.

Reference information

Bibliographic references

  • Deposit

    ALLEN, J. E., 1938 , CHROMITE DEPOSITS IN OREGON: ODGMI BULL. 9 , P. 67

  • Reserve-Resource

    ALLEN, 1938 , P. 67 .

General comments

Subject category Comment text
Deposit ORE IS SOFT, VERY FINE-GRAINED, AND A DEEP BLACK.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1976 Lee, W. U.S. Geological Survey
Updater 01-MAR-1980 Bradley, Robin (Walker, George W.) U.S. Geological Survey
Updater 01-AUG-1993 Gray, Jerry J. Oregon Department of Geology and Mineral Industries

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.